Brentwood weighs annexation, OSRD and R2 zoning for 77‑acre Cruz subdivision amid floodplain questions
July 09, 2026 | Brentwood, Williamson County, Tennessee
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The commission considered an ordinance to assign OSRD and R2 zoning for the Cruz subdivision, an annexation of nearly 77 acres west of Hillsborough Road. Staff said the proposal would put about 53–54 acres into an Open Space Residential Development (OSRD) designation with one large 23.9‑acre parcel reserved for R2 that could be developed as a single lot if legal frontage is secured.
“After this action, there’s still multiple actions: a required community meeting at the end of July, planning commission review in early August, a public hearing mid‑August, and a second reading at the end of August,” the chair said, outlining the administrative timeline for annexation and zoning.
Commissioners and staff focused on stormwater and floodplain issues. Derek, a staff member, explained engineers will require a large detention pond for the OSRD portion and that the developer will have to complete FEMA processes to demonstrate no net increase to downstream flood risk. “They’ll have to go through the FEMA process and get a lower elevation approval,” Derek said, noting cut‑and‑fill and compensation measures may be necessary to bring portions of the site out of the floodplain.
Commissioners asked how many houses the R2 reserved parcel might yield. Staff clarified the 23.9‑acre reserved lot is intended as a single buildable lot only if frontage and site constraints are resolved; much of the area is floodplain and would limit developable area.
The discussion also tied back to the earlier zoning‑code item requiring 40% green space; staff said the change would mostly affect older subdivisions and act as a ‘‘circuit breaker’’ for large‑lot redevelopment but would have limited effect on newer subdivisions because those developments are already designed under newer stormwater standards.
No final zoning decision was recorded in the transcript; the ordinance was presented as the first step in a multi‑part annexation and zoning process.
“After this action, there’s still multiple actions: a required community meeting at the end of July, planning commission review in early August, a public hearing mid‑August, and a second reading at the end of August,” the chair said, outlining the administrative timeline for annexation and zoning.
Commissioners and staff focused on stormwater and floodplain issues. Derek, a staff member, explained engineers will require a large detention pond for the OSRD portion and that the developer will have to complete FEMA processes to demonstrate no net increase to downstream flood risk. “They’ll have to go through the FEMA process and get a lower elevation approval,” Derek said, noting cut‑and‑fill and compensation measures may be necessary to bring portions of the site out of the floodplain.
Commissioners asked how many houses the R2 reserved parcel might yield. Staff clarified the 23.9‑acre reserved lot is intended as a single buildable lot only if frontage and site constraints are resolved; much of the area is floodplain and would limit developable area.
The discussion also tied back to the earlier zoning‑code item requiring 40% green space; staff said the change would mostly affect older subdivisions and act as a ‘‘circuit breaker’’ for large‑lot redevelopment but would have limited effect on newer subdivisions because those developments are already designed under newer stormwater standards.
No final zoning decision was recorded in the transcript; the ordinance was presented as the first step in a multi‑part annexation and zoning process.
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